ERICKSON SS100ER25750, 1” Straight Shank  ER25 Collet Chuck Includes the following ER25 Erickson Collets;
25ER0125.  1/8” Dia
25ER0250.  1/4” Dia
25ER0375.  3/8” Dia
25ERTCT10.  Tap Collet, #10-3/16” Tap Range
25ERTC031.  Tap Collet, 5/16” Collet
All Tools Brand New….Never Used.
Note photos for additional product descriptions.